Electric Rotary Feeder — Accurate Metering, Tight Airlock, Quick-Clean Design
For silos, bins, cyclone discharges and pneumatic conveying. Metered discharge with minimal leakage; options for stainless contact parts, high-temperature seals, explosion-proof motor and quick-clean rotor.
Why BIG WIN Rotary Feeder
Stable, gentle, and sealed dosing for feed mills, pet food plants, dust collection and pneumatic conveying.
Consistent discharge to hammer mill, mixer or line.
Close rotor clearance reduces air leakage & blow-by.
Slide-out/hinged end cover for fast sanitation.
Cast iron body; SS304 contact parts optional.
NBR/food-grade; high-temperature & wear-resistant.
Square/round flanges; fixed/VFD; EX-proof motor opt.
Performance & Options
10–90 m³/h typical (by size, speed, density, fill).
Suitable for moderate air differential in airlock duty.
Standard ≤120°C; high-temp kit available.
Cast/welded; 6–10 vanes; wear liners optional.
Lip/packed; food-grade/FDA options.
Direct or chain; VFD for turndown & gentle feeding.
Technical Specifications
Replace bracketed values with your exact data.
| Size | Nominal Ø | Typical m³/h | Motor | Body / Contact | Seal | Flange | Temp | Weight |
|---|---|---|---|---|---|---|---|---|
| RF-8 | 8″ | [10–15] | [0.75–1.5 kW] | Cast iron / [SS304] | NBR | Square/Round | ≤120°C | [— kg] |
| RF-10 | 10″ | [16–25] | [1.5–2.2 kW] | Cast iron / [SS304] | NBR | Square/Round | ≤120°C | [— kg] |
| RF-12 | 12″ | [26–42] | [2.2–3.0 kW] | Cast iron / [SS304] | NBR | Square/Round | ≤120°C | [— kg] |
| RF-14 | 14″ | [43–65] | [3.0–4.0 kW] | Cast iron / [SS304] | NBR | Square/Round | ≤120°C | [— kg] |
| RF-16 | 16″ | [66–90] | [4.0–5.5 kW] | Cast iron / [SS304] | NBR | Square/Round | ≤120°C | [— kg] |
| RF-20 | 20″ | [>90] | [5.5–7.5 kW] | Cast iron / [SS304] | NBR | Square/Round | ≤120°C | [— kg] |
Options: SS304 contact parts, high-temp seals, quick-clean, EX-proof motor, VFD, square-round adapters, wear liners.
Budgetary Price & Sizing Helper
For budgeting only. Final quotation depends on configuration and destination.
Price Estimator
Sizing Helper
Typical Process Flow
Material storage with level sensor.
Metered discharge; airlock seals leakage.
Conveying to cyclone or process point.
Product separation & dust collection.
To mill, mixer, screener, or packing.
Case Snapshots
Recent applications delivered. Results vary by product and setup.
- RF-12 with VFD
- Stable feed to hammer mill
- Wear liner included
- RF-10 stainless contact
- Low leakage
- Food grade seals
- RF-14 quick-clean
- Fast sanitation
- Adapter to round flange
Request a Custom Quote
Tell us your product, capacity and site constraints. We’ll size the rotary feeder for you.